Reduction ring for circular saw blades 30 x 20 x 1.2 mm, Reduction rings for circular saw blades, Base blade thickness of 1.4 mm up to max. 1.7 mm Bore mm: 20 Diameter mm: 30 Product text, Accessories grey: Reduction rings for circular saw blades Base blade thickness of 1.4 mm up to max. 1.7 mm Specification: 30 x 20 x 1.2 mm Thickness mm: 1.2mm